Germany vows economic steps against Turkey as row escalates

Germany on Thursday vowed stinging measures hitting tourism and investment in Turkey and a full "overhaul" of their troubled relations, signalling its patience had snapped after Ankara's arrests of human rights activists.The government stepped up its travel advisory for the NATO ally as Foreign Minister Sigmar Gabriel warned it could no longer guarantee its citizens' safety in the face of "arbitrary" mass arrests, a step set to hit a sector crucial to Turkey's ailing economy.A day after his mini